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1   /*
2    * This file is part of ***  M y C o R e  ***
3    * See http://www.mycore.de/ for details.
4    *
5    * MyCoRe is free software: you can redistribute it and/or modify
6    * it under the terms of the GNU General Public License as published by
7    * the Free Software Foundation, either version 3 of the License, or
8    * (at your option) any later version.
9    *
10   * MyCoRe is distributed in the hope that it will be useful,
11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   * GNU General Public License for more details.
14   *
15   * You should have received a copy of the GNU General Public License
16   * along with MyCoRe.  If not, see <http://www.gnu.org/licenses/>.
17   */
18  
19  package org.mycore.frontend.xeditor.validation;
20  
21  /**
22   * Validates date values specified by one or more SimpleDateFormat patterns separated by ";".
23   * Example: &lt;xed:validate type="date" format="yyyy-MM-dd;dd.MM.yyyy" ... /&gt;
24   *  * 
25   * @author Frank L\u00FCtzenkirchen
26   */
27  public class MCRDateValidator extends MCRValidator {
28  
29      private static final String TYPE_DATE = "date";
30  
31      private static final String ATTR_TYPE = "type";
32  
33      private static final String ATTR_FORMAT = "format";
34  
35      /** The converter used to convert strings to dates */
36      protected MCRDateConverter converter;
37  
38      @Override
39      public boolean hasRequiredAttributes() {
40          return TYPE_DATE.equals(getAttributeValue(ATTR_TYPE)) && hasAttributeValue(ATTR_FORMAT);
41      }
42  
43      @Override
44      public void configure() {
45          String format = getAttributeValue(ATTR_FORMAT);
46          converter = new MCRDateConverter(format);
47      }
48  
49      @Override
50      protected boolean isValid(String value) {
51          return (converter.string2date(value) != null);
52      }
53  }